Updating readme to reflect .net 10 in dev intsructions

Author: ladeak

README.md

@@ -301,7 +301,7 @@ Run the following commands to publish the native dependencis of the VS Code Exte
 
 ```$
 dotnet publish src/CHttpExtension -r win-x64
-cp ./src/CHttpExtension/bin/Release/net9.0/win-x64/publish/* ./src/VSCodeExt/src/chttp-win-x64
+cp ./src/CHttpExtension/bin/Release/net10.0/win-x64/publish/* ./src/VSCodeExt/src/chttp-win-x64
 ```
 
 ### Cleanup NPM